/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.apache.asyncweb.common;

/**
 * HTTP Header Constants.
 * 
 * @author The Apache MINA Project (dev@mina.apache.org)
 */
public class HttpHeaderConstants {

	/**
	 * The name of the "connection" header
	 */
	public static final String KEY_CONNECTION = "Connection";

	/**
	 * The server header
	 */
	public static final String KEY_SERVER = "Server";

	/**
	 * The header value to indicate connection closure
	 */
	public static final String VALUE_CLOSE = "close";

	/**
	 * The header value to indicate connection keep-alive (http 1.0)
	 */
	public static final String VALUE_KEEP_ALIVE = "Keep-Alive";

	/**
	 * The "content-type" header name.
	 */
	public static final String KEY_CONTENT_TYPE = "Content-Type";

	/**
	 * The value of "content-type" header that indicates the content contains a
	 * URL-encoded form.
	 */
	public static final String VALUE_URLENCODED_FORM = "application/x-www-form-urlencoded";

	/**
	 * The "content-length" header name
	 */
	public static final String KEY_CONTENT_LENGTH = "Content-Length";

	/**
	 * The "transfer-coding" header name
	 */
	public static final String KEY_TRANSFER_CODING = "Transfer-Coding";

	/**
	 * The "transfer-encoding" header name
	 */
	public static final String KEY_TRANSFER_ENCODING = "Transfer-Encoding";

	/**
	 * The chunked coding.
	 */
	public static final String VALUE_CHUNKED = "chunked";

	/**
	 * The "expect" header name
	 */
	public static final String KEY_EXPECT = "Expect";

	/**
	 * The continue expectation
	 */
	public static final String VALUE_CONTINUE_EXPECTATION = "100-continue";

	/**
	 * The "date" header
	 */
	public static final String KEY_DATE = "Date";

	/**
	 * The "cookie" request header.
	 */
	public static final String KEY_COOKIE = "Cookie";

	/**
	 * The "set-cookie" response header.
	 */
	public static final String KEY_SET_COOKIE = "Set-Cookie";

	/**
	 * The "host" header.
	 */
	public static final String KEY_HOST = "Host";

	/**
	 * The "location" header.
	 */
	public static final String KEY_LOCATION = "Location";
	
	/**
	 * The "accept-encoding" header.
	 */
	public static final String KEY_ACCEPT_ENCODING = "Accept-Encoding";
	
	/**
	 * The "accept" header.
	 */
	public static final String KEY_ACCEPT = "Accept";
	
	/**
	 * The "Content-Encoding" header.
	 */
	public static final String KEY_CONTENT_ENCODING = "Content-Encoding";
	
	/**
	 * The "text/html" content-type.
	 */
	public static final String TEXT_HTML = "text/html";
	
	/**
	 * The "application/xml" content-type.
	 */
	public static final String APPLICATION_XML = "application/xml";
	
	/**
	 * The "application/json" content-type.
	 */
	public static final String APPLICATION_JSON = "application/json";
	
	/**
	 * The "gzip" compress.
	 */
	public static final String GZIP = "gzip";
	
	private HttpHeaderConstants() {
	}
}
